Birthday Postage Designs for ages 21-49

Now you can have the "Perfect Postage Stamps" for birthday celebrations!

Customize your birthday cards, postage or stickers with name, birthdate or however you like! Links open in new window where you can personalize you birthday postage and purchase. FREE Customization - Just add your your name on stamps to make a special birthday celebration.

Contact us for personalized birthday party postage or Create Your Own!


In these 21st birthday stamps, two large candles and one small candle represent twenty one years, while "Happy Birthday" is written along a giant "21" against a deep blue background.

For the golf lover who's turning thirty, these 30th birthday golf themed postage stamps are sure to please! The "0" in 30 is replaced by a golf ball, with a sky blue and grass green background.

These "fore tee" funny birthday stamps are great for a golf nut who's turning forty! He or she will appreciate the inside joke, and the many tiny candles at the bottom!

These 40th Birthday stamps feature four candles, one for each decade, with "4" and "0" on two festive blocks. These stamps give a fun spin to an important birthday milestone!

For a more serene and pretty 40th birthday stamp, use this lilac purple and soft blue design featuring a flower, fern and "40" in big, deep blue characters.

This golden 40th birthday postage with burning candle and decor is warmly colorful, and will make a great statement when you mail out your fortieth birthday party invites!

More 40th Birthday Party Ideas


This festive and colorful 40th birthday postage features small, bright flowers against a deep red background, with "40" in an energetic handwriting font.

Magnets are great party favors, mementos and gifts! This bright and colorful 40th birthday design will look great on your fridge!

Customize your own 40th birthday shirts - just send us a note of what you would like and we'll create a design for you.

This 40th birthday card, so pretty and colorful on the outside, is completely customizable with your own birthday message on the inside.

A 40th birthday pin makes for great decoration for 40th birthday parties. Perfect for letting everyone know whose birthday it is and how old they are!

Wake up to a 40th birthday mug - this great birthday gift idea features a beautiful red and gold design to celebrate the milestone of a fortieth birthday.

Turning 40? These colorful birthday balloon stamps will be perfect for inviting guests to the crazy fun birthday bash you're throwing to celebrate the event! With five balloons in different colors, bursts of confetti and a colorful background, these stamps are one of our most popular designs.

Old relics never die ... fun birthday card to give to car enthusiasts! Inside reads: from one old relic to another. Design also available on stamps, shirts and postcards.

Birthday Postage

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